Base | Representation |
---|---|
bin | 100100010101… |
… | …0111000111000 |
3 | 1022211211202001 |
4 | 1020222320320 |
5 | 14334100130 |
6 | 1520150344 |
7 | 320631322 |
oct | 110527070 |
9 | 38754661 |
10 | 19050040 |
11 | a831639 |
12 | 64683b4 |
13 | 3c3cc19 |
14 | 275c612 |
15 | 1a146ca |
hex | 122ae38 |
19050040 has 32 divisors (see below), whose sum is σ = 43778880. Its totient is φ = 7457152.
The previous prime is 19050011. The next prime is 19050041. The reversal of 19050040 is 4005091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19050041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 6946.
It is an arithmetic number, because the mean of its divisors is an integer number (1368090).
Almost surely, 219050040 is an apocalyptic number.
19050040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19050040 is an abundant number, since it is smaller than the sum of its proper divisors (24728840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19050040 is a wasteful number, since it uses less digits than its factorization.
19050040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10191 (or 10187 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 19050040 is about 4364.6351508459. The cubic root of 19050040 is about 267.0742170954.
The spelling of 19050040 in words is "nineteen million, fifty thousand, forty".
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